/*
 * Copyright (C) 2011-2021 Intel Corporation. All rights reserved.
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 * modification, are permitted provided that the following conditions
 * are met:
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 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 */


#include "linux/linux-regs.h"

    .file "lowlib.S"

.section .nipx,"ax",@progbits

DECLARE_LOCAL_FUNC get_bp
    mov %xbp, %xax
    ret

#define reg_xax (0 * SE_WORDSIZE)
#define reg_xbx (1 * SE_WORDSIZE)
#define reg_xcx (2 * SE_WORDSIZE)
#define reg_xdx (3 * SE_WORDSIZE)
#define reg_xsi (4 * SE_WORDSIZE)
#define reg_xdi (5 * SE_WORDSIZE)
#define reg_xbp (6 * SE_WORDSIZE)
#define reg_xsp (7 * SE_WORDSIZE)
#define reg_xip (8 * SE_WORDSIZE)

DECLARE_LOCAL_FUNC load_regs
    mov	naked_arg0, %xdx
    mov	reg_xax(%xdx), %xax
    mov	reg_xbx(%xdx), %xbx
    mov	reg_xcx(%xdx), %xcx
    mov	reg_xsi(%xdx), %xsi
    mov	reg_xdi(%xdx), %xdi
    mov	reg_xbp(%xdx), %xbp
    mov	reg_xsp(%xdx), %xsp
    push reg_xip(%xdx)
    mov reg_xdx(%xdx), %xdx
    ret
